What is the error code W110 H for combi heater?
Whenever you meet with any error code for the 4kw combi heater, don’t worry too much about that first, some error code occurs during the wrong operation, it will recover automatically after correct operation on the switch.
Pls download the user manual from the bellow link, if you don’t have the latest version
https://www.beliefparkingheater.com/downloads/Installation-manual-for-Belief-4kw-combi-heater.pdf
you will easily find some normal error code and solutions on page 16th as the attached photos.
open the back cover of the combi heater, find the mainboard, check this wire,This line is broken or not connected properly. If the connection wire is lose, tight it, the problem will be solved easily,
